Home / 136,450.92-188,297.40-76,018.32

Finding the Fourth Proportional to 136,450.92, 188,297.40 and 76,018.32

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Solution

The fourth proportional to 136,450.92, 188,297.40 and 76,018.32 is: 104,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,450.92 : 188,297.40 = 76,018.32 : x
  2. Step 2: Convert to fraction form
    136,450.92/188,297.40 = 76,018.32/x
  3. Step 3: Cross multiply
    136,450.92x = 188,297.40 × 76,018.32
  4. Step 4: Simplify right side
    136,450.92x = 14,314,052,008.37
  5. Step 5: Solve for x
    x = 14,314,052,008.37/136,450.92
  6. Step 6: Final answer
    x = 104,902.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.